Overview
Blood is a vital fluid in the human body, composed of various components that work together to maintain health. Red blood cells (RBCs) are responsible for transporting oxygen, while white blood cells (WBCs) play a crucial role in the immune system by defending against infections. Platelets are essen...
Key Terms
Example: RBCs are responsible for the red color of blood.
Example: WBCs increase in number during an infection.
Example: Platelets gather at a wound site to form a clot.
Example: Hemoglobin levels are often checked in blood tests.
Example: Plasma makes up about 55% of total blood volume.
Example: Anemia can cause fatigue and weakness.